THE WALNUT. 



231 



half black walnuts, — the true hybrid being only 

 reproduced by grafting 

 on a thrifty young Ju- 

 glans Galifornica. 



"Another handsome 

 noTelty in shade trees, 

 is a hybrid from the 

 Juglans nigra, or well- 

 known Eastern black 

 walnut, and J. Gahfor- 

 nica (Figs. 78 and 79). 

 It makes a charmirg 

 ornamental tree, and 

 bears, in its season, a 

 prolific crop of unusually 

 large nuts, which have 

 little value except in the 

 eyes of school children. 

 Several of these hybi'ids 

 are growing in Santa 

 Eosa, and present an in- 

 teresting study to the 

 pomologist. 



"A still more unique 

 species of the walnut 

 genus is the Juglans Sie- 

 ioldiana, a Japanese wal- 

 nut which grows abun- 

 dantly in the mountain- 

 ous districts of the island 

 of Yesso, and also in the 

 more southern divisions 

 of the empire. Several 

 of these remarkable trees 

 are to be found in the ^lO' 8o. juglans siebojldiana raceme. 

 Kew gardens, but only one specimen is said to be grow- 



